105055206687 has 16 divisors (see below), whose sum is σ = 155649206880. Its totient is φ = 70031465856.

The previous prime is 105055206671. The next prime is 105055206691. The reversal of 105055206687 is 786602550501.

105055206687 is a `hidden beast` number, since 1 + 0 + 505 + 5 + 2 + 0 + 66 + 87 = 666.

It is not a de Polignac number, because 105055206687 - 2⁴ = 105055206671 is a prime.

It is a super-2 number, since 2×105055206687² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105055206667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230023 + ... + 512855.

It is an arithmetic number, because the mean of its divisors is an integer number (9728075430).

Almost surely, 2^105055206687 is an apocalyptic number.

105055206687 is a deficient number, since it is larger than the sum of its proper divisors (50594000193).

105055206687 is a wasteful number, since it uses less digits than its factorization.

105055206687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296599 (or 296593 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The spelling of 105055206687 in words is "one hundred five billion, fifty-five million, two hundred six thousand, six hundred eighty-seven".